20512690647

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{859}}^1\times {\mathrm{1487}}^1$

素因数の和:2503

約数の個数: 32

約数和(自身を含む): 28193909760

約数和(自身を除く): 7681219113

約数列:

[1, 3, 53, 101, 159, 303, 859, 1487, 2577, 4461, 5353, 16059, 45527, 78811, 86759, 136581, 150187, 236433, 260277, 450561, 1277333, 3831999, 4598227, 7959911, 13794681, 23879733, 67698649, 129010633, 203095947, 387031899, 6837563549, 20512690647]

約数ペア:

[(1, 20512690647), (3, 6837563549), (53, 387031899), (101, 203095947), (159, 129010633), (303, 67698649), (859, 23879733), (1487, 13794681), (2577, 7959911), (4461, 4598227), (5353, 3831999), (16059, 1277333), (45527, 450561), (78811, 260277), (86759, 236433), (136581, 150187)]